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In this study we will determine which method of hand cleansing is the most effective. Three methods of cleansing will be tested: plain hand soap and water, anti-bacterial soap and water, anti-bacteria ...
Adult female (anterior view): mature female human being. See more
Adult female (anterior view) - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Adult female (posterior view): mature female human being. See more
Adult female (posterior view) - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Adult male (posterior view): mature male human being. See more
Adult male (posterior view) - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.